Sodium Oleyl Sulfate

AKA: 1847-55-8, Oleyl sodium sulfate, Sodium oleyl alcohol sulfate, OLEYL SODIUM SULPHATE, SODIUM OLEYL SULPHATE, 9-Octadecen-1-ol, Hydrogen sulfate, Sodium salt
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from oleic acid, a fatty acid found in plant oils like olive and canola. Synthesized through sulfation of oleyl alcohol, introducing a sulfate group for surfactant properties.
Sodium (Z)-octadec-9-enyl sulphate
Formula
C18H35NaO4S
Mol. Weight
370.50
CAS #
1847-55-8, 16979-51-4
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foaming
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Mixes oil and water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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